Do this before troubleshootingLeave the building. Do not use switches, flames, appliances, or a phone indoors. From outside, call 911 if there is immediate danger and call your gas utility. Do not re-enter until responders say it is safe.
The short answer
Multi-unit buildings require a coordinated response so occupants are not sent through a suspected area and no one independently resets equipment. Management should preserve utility tags and identify shared shutoffs and affected units for the repair team.
What matters in this situation
Odor, hissing, or a detector alert changes the order of operations: protect people first, then diagnose the private-side piping after the utility or emergency responders say the area is safe.
Details that help define the next step
- Units or common areas where odor was reported
- Shared meter, boiler, laundry, or kitchen arrangements
- Recent tenant move-ins or appliance work
- Utility shutoff scope and tagged equipment
These details help establish scope; they do not replace an emergency response, onsite inspection, utility decision, permit requirement, or manufacturer instruction.
How a careful service process is organized
- Start by documenting units or common areas where odor was reported and shared meter, boiler, laundry, or kitchen arrangements.
- Confirm recent tenant move-ins or appliance work and utility shutoff scope and tagged equipment before the scope is finalized.
- Have property manager and emergency contact and unit/access list ready for the onsite team or authority.
- Use the findings to define the appropriate emergency gas leak repair scope, required testing, and any next authority or trade.
What to have ready when requesting service
- Property manager and emergency contact
- Unit/access list
- Utility incident details
- Available piping or meter records
What not to do
Do not assume the problem belongs only to the first unit that reports odor. Keep relevant tags, notices, equipment information, and safely obtained photos available for the people handling this specific situation.